- 14.14.1: The 1 H NMR spectrum of CH3OH recorded on a 500 MHz NMR spectromete...
- 14.14.2: The 1 H NMR spectrum of 1,2-dimethoxyethane (CH3OCH2CH2OCH3) record...
- 14.14.3: How many 1 H NMR signals does each compound show? a. CH3CH3 c. CH3C...
- 14.14.4: How many different types of protons does CH3CH2CH2CH2CH2CH2CH2CH2Cl...
- 14.14.5: How many 1 H NMR signals does each dimethylcyclopropane show? a. CH...
- 14.14.6: Label the protons in each indicated CH2 group as enantiotopic, dias...
- 14.14.7: How many 1 H NMR signals would you expect for each compound: (a) CH...
- 14.14.8: For each compound, which of the underlined protons absorbs farther ...
- 14.14.9: For each compound, fi rst label each different type of proton and t...
- 14.14.11: Which compounds give a 1 H NMR spectrum with two signals in a ratio...
- 14.14.12: A compound of molecular formula C8H14O2 gives three NMR signals hav...
- 14.14.13: Compound A exhibits two signals in its 1 H NMR spectrum at 2.64 and...
- 14.14.14: Into how many peaks will each indicated proton be split? a. C Cl O ...
- 14.14.15: Although Cl2CHCHCl2 and Br2CHCHCl2 each have only two hydrogens, th...
- 14.14.16: For each compound give the number of 1 H NMR signals, and then dete...
- 14.14.17: ?Sketch the NMR spectrum of \(\mathrm{CH}_{3} \mathrm{CH}_{2} \math...
- 14.14.18: How many peaks are present in the NMR signal of each indicated prot...
- 14.14.19: Describe the 1 H NMR spectrum of each compound. State how many NMR ...
- 14.14.21: Identify A and B, isomers of molecular formula C3H4Cl2, from the gi...
- 14.14.22: How many signals are present in the 1 H NMR spectrum for each molec...
- 14.14.23: What protons in alcohol A give rise to each signal in its 1 H NMR s...
- 14.14.24: Propose a structure for a compound of molecular formula C7H14O2 wit...
- 14.14.25: Propose a structure for a compound of molecular formula C3H8O with ...
- 14.14.26: The 1 H NMR spectrum of melatonin, the chapter-opening molecule, is...
- 14.14.27: Identify products A and B from the given 1 H NMR data. a. Treatment...
- 14.14.28: How many lines are observed in the 13C NMR spectrum of each compoun...
- 14.14.29: Draw all constitutional isomers of molecular formula C3H6Cl2. a. Ho...
- 14.14.31: Identify the carbon atoms that give rise to each NMR signal. 200 18...
- 14.14.32: A compound of molecular formula C4H8O2 shows no IR peaks at 3600320...
- 14.14.33: Draw the structure of a compound of molecular formula C4H8O that ha...
- 14.14.34: How many different types of protons are present in each compound? a...
- 14.14.35: How many 1 H NMR signals does each compound give? a. CH3 CH3 b. CH2...
- 14.14.36: How many 1 H NMR signals does each natural product exhibit? a. N N ...
- 14.14.37: Using a 300 MHz NMR instrument: a. How many Hz downfi eld from TMS ...
- 14.14.38: Acetone exhibits a singlet in its 1 H NMR spectrum at 2.16 ppm. If ...
- 14.14.39: Which of the indicated protons in each pair absorbs farther downfi ...
- 14.14.41: How could you use chemical shift and integration data in 1 H NMR sp...
- 14.14.42: Which compounds give one singlet in the 1 H NMR spectrum? CH3CH3 CH...
- 14.14.43: For the five isomeric alkanes of molecular formula C6H14, label eac...
- 14.14.44: Into how many peaks will the signal for each of the indicated proto...
- 14.14.45: How can you use 1 H NMR spectroscopy to distinguish between CH2 C(B...
- 14.14.46: Label the signals due to Ha, Hb, and Hc in the 1 H NMR spectrum of ...
- 14.14.47: Draw the four constitutional isomers having molecular formula C4H9B...
- 14.14.48: Which compounds in 14.42 give one signal in their 13C NMR spectra?
- 14.14.49: Explain why the carbonyl carbon of an aldehyde or ketone absorbs fa...
- 14.14.51: Rank the indicated carbon atoms in each compound in order of increa...
- 14.14.52: Identify the carbon atoms that give rise to the signals in the 13C ...
- 14.14.53: a. How many signals does dimethyl fumarate (CH3O2CCH CHCO2CH3, with...
- 14.14.54: Propose a structure consistent with each set of spectral data: a. C...
- 14.14.55: Identify the structures of isomers A and B (molecular formula C9H10...
- 14.14.56: Compound C has a molecular ion in its mass spectrum at 146 and a pr...
- 14.14.57: As we will learn in Chapter 20, reaction of (CH3)2CO with LiC CH fo...
- 14.14.58: Identify the structures of isomers E and F (molecular formula C4H8O...
- 14.14.59: Identify the structures of isomers H and I (molecular formula C8H11...
- 14.14.61: Propose a structure consistent with each set of data. a. Compound J...
- 14.14.62: In the presence of a small amount of acid, a solution of acetaldehy...
- 14.14.63: Treatment of (CH3)2CHCH(OH)CH2CH3 with TsOH affords two products (M...
- 14.14.64: Compound O has molecular formula C10H12O and shows an IR absorption...
- 14.14.65: Compound P has molecular formula C5H9ClO2. Deduce the structure of ...
- 14.14.66: Treatment of 2-butanone (CH3COCH2CH3) with strong base followed by ...
- 14.14.67: Low molecular weight esters (RCO2R) often have characteristic odors...
- 14.14.68: When 2-bromo-3,3-dimethylbutane is treated with K+ OC(CH3)3, a sing...
- 14.14.69: In a BaeyerVilliger reaction, ketones (R2C O) are converted to este...
- 14.14.71: The 1 H NMR spectrum of N,N-dimethylformamide shows three singlets ...
- 14.14.72: 18-Annulene shows two signals in its 1 H NMR spectrum, one at 8.9 (...
- 14.14.73: Explain why the 13C NMR spectrum of 3-methyl-2-butanol shows fi ve ...
- 14.14.74: Since 31P has an odd mass number, 31P nuclei absorb in the NMR and,...
Solutions for Chapter 14: Nuclear Magnetic Resonance Spectroscopy
Full solutions for Organic Chemistry | 3rd Edition
ISBN: 9780077354725
Since 67 problems in chapter 14: Nuclear Magnetic Resonance Spectroscopy have been answered, more than 221092 students have viewed full step-by-step solutions from this chapter. Chapter 14: Nuclear Magnetic Resonance Spectroscopy includes 67 full step-by-step solutions. Organic Chemistry was written by and is associated to the ISBN: 9780077354725. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Organic Chemistry, edition: 3.
-
(PAHs)
Compounds containing multiple aromatic rings fused together.
-
acetylide ion
The conjugate base of acetylene or any terminal alkyne.
-
cation
A structure that bears a positive charge.
-
conjugate acid-base pair.
An acid and its conjugate base or a base and its conjugate acid. (15.1)
-
elimination
A reaction involving the loss of a leaving group and formation of a p bond.
-
flagpole interactions
For cyclohexane, the steric interactions that occur between the flagpole hydrogen atoms in a boat conformation.
-
Fourier transform NMR (FT-NMR)
The modern NMR method that is based on a constant magnetic fi eld, a short pulse of electromagnetic radiation, and a mathematical Fourier transform to produce the spectrum
-
Freons
CFCs that were heavily used for a wide variety of commercial applications, including as refrigerants, as propellants, in the production of foam insulation, as fire-fighting materials, and many other useful applications.
-
Hund’s rule
When orbitals of equal energy are available but there are not enough electrons to fi ll all of them completely, one electron is put in each before a second electron is added to any
-
molal freezing-point-depression constant (Kf)
A constant characteristic of a particular solvent that gives the decrease in freezing point as a function of solution molality: ?Tf = -Kf m. (Section 13.5)
-
oxymercuration-demercuration
A two-step process for the Markovnikov addition of water across an alkene. With this process, carbocation rearrangements do not occur.
-
primary cell
A voltaic cell that cannot be recharged. (Section 20.7)
-
reversible process
A process that can go back and forth between states along exactly the same path; a system at equilibrium is reversible if equilibrium can be shifted by an infinitesimal modification of a variable such as temperature. (Section 19.1)
-
saturated
A compound that contains no p bonds.
-
Shell
A region of space around a nucleus that can be occupied by electrons, corresponding to a principal quantum number
-
Soap
A sodium or potassium salt of a fatty acid
-
Specifi c rotation
The observed rotation of the plane of polarized light when a sample is placed in a tube 1.0 dm in length and at a concentration of 1 g/mL for a solution. For a pure liquid, concentration is expressed in g/mL (density).
-
tertiary alkyl halide
An organohalide in which the alpha (a) position is connected to three alkyl groups.
-
third order
A reaction that has a rate equation in which the sum of all exponents is three
-
Valence Bond Theory
A model of bonding that places electron pairs between adjacent atoms to create bonds.